Noun promiscuousness has 1 sense

1. promiscuity, promiscuousness, sleeping around - indulging in promiscuous (casual and indiscriminate) sexual relations
   --₁ is a kind of sexual activity, sexual practice, sex, sex activity
   --₁ has particulars: one-night stand
   

Promiscuousness

Noun: The quality or state of being promiscuous; engaging in casual or indiscriminate sexual relations.

Example: Her promiscuousness led to numerous health issues.

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